Hose-nozzle carriage and hoisting device.



E. J. 1 1mm & J. ZIDEK.

HOSE NOZZLE CARRIAGE AND HOISTING DEVICE.

APPLICATION FILED JULY 17,1908.

Patented Nov. 3, 1908.

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fila/zu, Z 20 J m W rmial E. J. PETRU & J. ZIDEK.

HOSE NOZZLE CARRIAGE AND HOISTING DEVICE.

APPLICATION FILED JULY 17,1908.

Patented Nov. 3, 1908.

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UNITED STATS ATENT OFFICE.

EMANUEL J. PETRU AND JOSEPH ZIDEK, OF CHICAGO, ILLINOIS.

HOSE-NOZZLE CARRIAGE AND HOISTING DEVICE.

To all whom it may concern:

Be it known that we, EMANUEL J. PETRU' and JosErH ZIDEK, citizens of the United States, both residing at Chicago, in the county of Cook and State of Illinois, have invented new and useful Improvements in Hose-Nozzle Carriages and Hoisting Devices, of which the following is a specification, reference being had to the accompanying drawings, forming a part thereof.

The purpose of this invention is to provide an improved hoisting or elevating means for the nozzle-carrying pipe of a hose nozzle truck. It is in this respect designed as an improvement upon the hose nozzle truck construction shown in our pending application No. 390,867, filed August 31, 1907.

The present invention consists in the features of construction described as indicated in the claims.

In the drawings :Figure 1 is a plan view of the forward part, and Fig. 1 is a like view on a reduced scale of the rear part of the truck and nozzle pipe carriage with the nozzle pipe and nozzle removed. Fig. 2 is a longitudinal section at the line 22 on Fig. 1 showing in full line the nozzle pipe in its lowered position on the truck, and in dotted line the parts at position occupied when the pipe is elevated, said pipe being broken away at the forward end which carries the nozzle to avoid details not concerned in the invention. Fig. 3 is a detail section at the line 33 on Fig. 1. Fig. 4 is a detail elevation of a modified operating device. Fig. 5 is a detail side elevation of a modified form of operating device. Fig. 6 is an end elevation of the structure shown in Fig. 5.

The truck frame comprises parallel longitudinal side bars, 1, 1, suitably framed together for rigidity and mounted upon the axle, 2, which has suitable carrying wheels, 3, 3. The side bars constitute tracks for a carriage, 4, which is mounted thereon and engaged therewith by means of three rollers, 5, 5, 5, at each side, one below and two above the respective side bars, 1. The carriage comprises the roller bearing hangers or cars, 6, 6, and a connecting cross-bar, 7. To the carriage between the side hangers, 6, 6, the nozzle pipe, 8, is fulcrumed at its lower or rear end by means of a fitting, 8, rigid therewith, so that it may swing in a longitudinal vertical plane from a position Specification of Letters Patent.

Application filed. July 1'7, 1908.

Patented Nov. 3, 1908.

Serial No. 444,072.

a little inclined up from the horizontal on the truck to a suitably elevated position not perfectly erect, but at an inclination as indicated. in dotted lines in Fig. 2. One end of a brace, 9, is pivoted to the nozzle pipe, 8, at a considerable distance forward from its rear end, the other end of the brace being fulcrumed on a hanger, 10, depending rigidly from the frame near the forward end of the latter, so that said fulcrum is some distance below the level of the fulcrum of the rear end of the nozzle pipe on the carriage, which is substantially at the plane of travel of the carriage on the frame.

Upon each side bar of the frame near the forward end there is mounted an upstanding post, 11, provided at its upper end with a yielding buffer, 12, which is preferably a cylindrical rubber block lodged in a corresponding socket at the top of the post and projecting up from the socket in position to stop and afford lodgment for the nozzle pipe at its lowest position, which is preferably not horizontal, but somewhat elevated at the forward end above the rear end. This elevation of the forward end of the nozzle pipe, together with the depression of the fulcrum of the brace, 9, below the level of the frame insures a considerable angle between the nozzle pipe and the brace at the lowest position, which is desirable for the purpose of easing the starting action; for it will be seen that if the pivot of the brace to the nozzle pipe should descend to the plane containing the fulcrum of the pipe on the carriage and the fulcrum of the brace on the frame, the pipe could not be started from that position by longitudinal movement of the carriage, and that the greater the divergence of the brace from the plane containing the pipe fulcrum and the pivot of the brace to the pipe, the more easily the hoisting movement can be started. For propelling the carriage along the frame to elevate the pipe from this lowest position at which it is stopped on the buffers at the top of the stop posts, 13, there is mounted upon the frame at the rear end behind the carriage a shaft, 14, having rigid with it two drums, 15, 15. To each drum there are connected two cables, 16, 17, which are wound in opposite directions about the drum, the cable, 16, extending thence directly to the carriage to which it is attached at the rear side of the latter, the cable, 17, extending from the drum to the forward end of the frame and around a pulley, 18, mounted u wheels are released.

at said forward end, and thence back to the carriage to which it is attached at the forward side of the latter. There are provided two drums and two pairs of cables, one at each side, and attached to the carriage near the roller hangers respectively, so that the draft may be applied equally along the two sides of the carriage and operate equall Y upon the two roller hangers to draw t carriage without cramping on the side bars of the frame. The shaft, 14, is provided at each end outside the frame bars, 1, 1, with a hand wheel, 19, for rotating the shaft to wind up the cable, 17, and unwind the cable, 16, for propelling the carriage forward on the frame to elevate the pipe. Rigid with the drums at their inner sides are ratchet disks, 20, 20, which are engaged by retaining pawls, 21, 21, fulcrumed on the frame at 22, to prevent the carriage from running back and the pipe from descending when the hand It may happen in a device of this sort of considerable size that though it can be easily operated for advancing the carriage and hoisting the nozzle from a partly advanced position of the car riage and intermediate position of the nozzle frame and provided with a lever arm, 25, for

oscillating it to cause the pawls engaging the ratchet disks, 20, to rotate the drums step by step until the carriage is sufficiently advanced to make it possible to rotate them by the hand wheels. The operator may then use the hand wheels for this purpose without any change whatever in the position of the feeding pawl mechanism described, which n will in any event operate as retaining pawls.

But it will be obvious that the retaining pawls, 21, 21, are also necessary in conjunction with the feeding pawls to hold the drums in the retractile or idle movement of the feeding pawls over the ratchets. In loweringthe nozzle, the pawls, 21 and 23, will be disengaged from the ratchet disks by rocking back the frame, 24, the body of the pawls, 23, riding on the points of the ratchet teeth, and the studs, 21 on the frame side bars engaging the pawls, 21, for lifting the pawls respectively out of engagement with the ratchets. The frame, 24, has a rigid arm, 26, extended forward and downward past the fulcrum, 22, and carrying at its ends a brake shoe, 26, which is brought up against a brake drum, 27, mounted rigidly on the drum shaft, 14, in order to check and control the nozzle pipe in its descent. When said pipe is elevated to the extreme position, it will not usually start back by gravity, but the operator will start it by the hand wheel, 19,-when the pawls have been disengaged as described, and when he observes that the pipe begins to descend by gravity, he may release the hand wheels and control the further descent by the brake shoe, 26, the hand lever, 25, of the frame, 24, serving as a brake lever in so operating the structure.

A modification of the mechanism for operating the drums for starting the carriage forward is shown in Figs. 5 and 6 in which, in lieu of the plain hand wheels, 19, 19, there are provided worm gears,28, each provided with a crank handle, 29, for rotating the shaft directly, worms, 30, 30, being provided engaging with these worm wheels, said worms being mounted in pivoted bearing frames, 31, 31,which permit the worms to be swung away from the worm gears, but cause them to be normally engaged by gravity. The worm gears have their teeth of ratchet form,that is, abrupt upon the rear side and sloping upon the forward sideand the worm thread is correspondingly formed so as to operate as a pawl for engagement with the ratchet worm gears. each provided with a crank handle, 32, and one or both of these worms, being rotated, will rotate the worm gear for operating the drums to advance thecarriage. When the carriage is sufficiently advanced so that the drum can be rotated without the use of the worm gear, the operator may employ the crank handle, 29, for such direct rotation of the drums; and in such action the worms operate as pawls in connection with the worm gears, which then act merely as ratchet disks to lock the drums against reversion. It will be seen, therefore, that when this ratchet gear and worm pawl construction is employed, the detent pawls, 21, 21, may be dispensed with. To prevent accidental disengagement of the worm-pawls from the ratchet worm wheels, the guide forks, 34, in which the worm-pawl frames seat at their operative position are provided with retaining pins, 33, inserted through the fork above the frame when the latter is seated in the fork.

We claim 1. In combination with a longitudinally extended truck frame, a carriage mounted for travel longitudinally thereon; a nozzle pipe pivoted to such carriage for swinging in a longitudinal vertical plane; a brace link pivoted at one end to the pipe at a point forward of the fulcrum of the latter on the carriage and at the other end to the truck frame at the forward part thereof; a drum mounted on the truck frame at the rear end thereof; two cables each attached at one end to the carriage and at the other end to the The worms are drum and wound in opposite directions about the drum, and a guide pulley at the forward part of the truck frame about which one of said cables passes intermediate its attachment to the drum and to the carriage.

2. In combination with a truck frame, a carriage mounted for travel longitudinally thereon; a nozzle pipe fulcrumed on such carriage for swinging in a longitudinal vertical plane; a brace pivotally connected at one end to the pipe forward of its fulcrum on the frame and at the other end to the c: rriage at the forward part thereof; a stop on the forward end of the frame positioned for lodgment thereon of the forward part of the pipe when the pivot of the brace to the pipe is above the line from the pipe fulcrum to the pivot of the brace to the frame; a drum. mounted on the rear part of the truck frame; two cables each connected at one end to the carriage and at the other end to the drum and wound in opposite directions about the drum, and a guide pulley at the forward end of the frame about which one of said cables passes intermediate its attachment to the carriage and to the drum.

3. In combination with a truck frame, a carriage mounted for travel longitudinally thereon; a nozzle pipe fulcrumed on such carriage for swinging in a longitudinal vertical plane; a brace pivoted at one end to the pipe forward of its fulcrum and having a fulcrum for its other end carried by the frame at a distance below the track of the carriage thereon; means for holding the carriage down onto its track on the frame; a drum mounted on the frame at the rear end thereof; two cables each attached at one end to the carriage and at the other end to the drum and wound in opposite directions about the drum, and a guide pulley at the forward end of the frai 1e about which one of said cables passes intermediate its attachment to the carriage and to the drum.

4t. In combination with a truck frame comprising parallel longitudinal side bars, a carriage mounted on the track and engaging above and below the side bars for retention and longitudinal travel thereon a nozzle pipe fulcrum ed on the carriage for swinging in a longitudinal vertical plane, its said fulcrum being substantially at the level of the frame side bars with which the carriage is engaged; a brace pivoted at one end to the pipe forward of the fulcrum of the latter on the carriage, and a fulcrum for such brace fixed with respect to the frame at the forward part thereof and below the level of the carriage track thereon; a drum mounted on the frame at the rear end; two cables each connected at one end to the carriage and at the other end to the drum and wound in opposite directions about the latter, and a guide pulley at the forward end of the frame about which one of said cables passes intermediate its attachment to the carriage and to the drum.

5. In combination with a truck frame, a carriage mounted for travel longitudinally thereon; a nozzle pipe fulcrumed on such carriage for swinging in a longitudinal vertical plane; a brace pivoted at one end to the nozzle pipe forward of the fulcrum of the latter on the carriage and at the other end to the truck frame at the forward part of the latter; a drum mounted on the frame at the rear end; a cable attached at one end to the carriage and at the other end to the drum for winding thereabout; a guide pulley at the forward part of the frame about which said cable passes intermediate its attachment to the carriage and to the drum; a ratchet wheel rigid with the drum; a pawl device for engaging such ratchet wheel to rotate the drum, and means for rotating the drum directly without the feeding action of the pawl device.

6. In combination with a truck frame, a carriage mounted thereon for travel longitudinally thereof; a nozzle pipe fulcrumed on such carriage for swinging in a longitudinal vertical plane; a brace pivoted at one end to the nozzle pipe forward of the fulcrum of the latter on the carriage and at the other end to the truck frame at the forward part thereof; a drum mounted on the frame at the rear end, and a cable connected to the carriage and to the drum for being wound about the latter to propel the carriage along the truck frame; a ratchet wheel rigid with the drum; a pawl device for engaging such ratchet wheel to rotate the drum; a brake for controlling the rotation of the drum, and a brake lever for operating the same connected with the pawl device for disengaging it from the ratchet in the brake-applying movement.

7. In combination with a truck frame, a nozzle pipe pivotally mounted upon the frame for raising and lowering; a drum mounted on the frame; a pawl.-andratchet device by which it is rotated, and a cable for raising and lowering the nozzle pipe connected to the drum for winding thereabout; a brake for controlling the rotation of the drum, and a brake lever connected with the pawl-and-ratchet device for disengaging the pawl in the brake-applying movement of the lever.

8. In combination with a truck frame, a nozzle pipe pivotally mounted on the frame for raising and lowering; a drum mounted on the frame; a cable for raising and lowering the nozzle pipe connected to the drum for winding thereabout; a rocking frame pivoted to the truck frame; a ratchet rigid with the drum; a feeding pawl connected with the rocking frame at a distance from the fulcrum of the latter, and means for disengaging it from the ratchet by rocking the frame beyond the range of its feeding 210- set our hands, in the presence of two Wittion; a detent pawl pivoted at the fulcrum nesses, at Chicago, Illinois, this 15th day of 10 of the rocking frame; a brake drum rigid July, 1908.

With the cable-Winding drum, and a brake EMANUEL J. PETRU; carried by the rocking frame positioned for JOSEPH ZIDEK. encountering the brake drum in the feed- In the presence of pend-disengaging movement of said frame. CHAS. S. BURTON,

In testimony whereof, We have hereunto JOHN A. SoKoL. 

